Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | Fix a recently introduced error regarding collation sequences and compounds SELECT statements. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
8d9fe20890d6948892550c513f1c2be3 |
| User & Date: | dan 2010-09-14 18:57:40.000 |
Context
|
2010-09-14
| ||
| 19:10 | Adding additional comparison operators to the list in datatype3.html. (check-in: a43ee1e871 user: drh tags: trunk) | |
| 18:57 | Fix a recently introduced error regarding collation sequences and compounds SELECT statements. (check-in: 8d9fe20890 user: dan tags: trunk) | |
| 13:25 | Add <> to the list of comparison operators in datatype3.html. (check-in: 838bd2b455 user: drh tags: trunk) | |
Changes
Changes to pages/lang.in.
| ︙ | ︙ | |||
2853 2854 2855 2856 2857 2858 2859 | right SELECTs. ^The EXCEPT operator returns the subset of rows returned by the left SELECT that are not also returned by the right-hand SELECT. ^Duplicate rows are removed from the results of INTERSECT and EXCEPT operators before the result set is returned. <p>^For the purposes of determining duplicate rows for the results of compound SELECT operators, NULL values are considered equal to other NULL values and | | | > > | | | 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 | right SELECTs. ^The EXCEPT operator returns the subset of rows returned by the left SELECT that are not also returned by the right-hand SELECT. ^Duplicate rows are removed from the results of INTERSECT and EXCEPT operators before the result set is returned. <p>^For the purposes of determining duplicate rows for the results of compound SELECT operators, NULL values are considered equal to other NULL values and distinct from all non-NULL values. ^The collation sequence used to compare two text values is determined as if the columns of the left and right-hand SELECT statements were the left and right-hand operands of the equals (=) operator, except that greater precedence is not assigned to a collation sequence specified with the postfix COLLATE operator. ^No affinity transformations are applied to any values when comparing rows as part of a compound SELECT. <p>^(When three or more simple SELECTs are connected into a compound SELECT, they group from left to right. In other words, if "A", "B" and "C" are all simple SELECT statements, (A op B op C) is processed as ((A op B) op C).)^ </p> |
| ︙ | ︙ |